Home / 107,748,070.40-148,655,454.72-61,326,709.76

Finding the Fourth Proportional to 107,748,070.40, 148,655,454.72 and 61,326,709.76

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Solution

The fourth proportional to 107,748,070.40, 148,655,454.72 and 61,326,709.76 is: 84,609,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,748,070.40 : 148,655,454.72 = 61,326,709.76 : x
  2. Step 2: Convert to fraction form
    107,748,070.40/148,655,454.72 = 61,326,709.76/x
  3. Step 3: Cross multiply
    107,748,070.40x = 148,655,454.72 × 61,326,709.76
  4. Step 4: Simplify right side
    107,748,070.40x = 9,116,549,925,854,262
  5. Step 5: Solve for x
    x = 9,116,549,925,854,262/107,748,070.40
  6. Step 6: Final answer
    x = 84,609,867.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.