Home / 140,281,278,262.40-210,421,913,327.40-64,712,070,444.80

Finding the Fourth Proportional to 140,281,278,262.40, 210,421,913,327.40 and 64,712,070,444.80

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Solution

The fourth proportional to 140,281,278,262.40, 210,421,913,327.40 and 64,712,070,444.80 is: 97,068,103,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,281,278,262.40 : 210,421,913,327.40 = 64,712,070,444.80 : x
  2. Step 2: Convert to fraction form
    140,281,278,262.40/210,421,913,327.40 = 64,712,070,444.80/x
  3. Step 3: Cross multiply
    140,281,278,262.40x = 210,421,913,327.40 × 64,712,070,444.80
  4. Step 4: Simplify right side
    140,281,278,262.40x = 13,616,837,678,372,308,910,080
  5. Step 5: Solve for x
    x = 13,616,837,678,372,308,910,080/140,281,278,262.40
  6. Step 6: Final answer
    x = 97,068,103,791.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.