Home / 65,421,006.40-98,131,509.60-64,973,108.80

Finding the Fourth Proportional to 65,421,006.40, 98,131,509.60 and 64,973,108.80

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Solution

The fourth proportional to 65,421,006.40, 98,131,509.60 and 64,973,108.80 is: 97,459,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421,006.40 : 98,131,509.60 = 64,973,108.80 : x
  2. Step 2: Convert to fraction form
    65,421,006.40/98,131,509.60 = 64,973,108.80/x
  3. Step 3: Cross multiply
    65,421,006.40x = 98,131,509.60 × 64,973,108.80
  4. Step 4: Simplify right side
    65,421,006.40x = 6,375,909,249,949,044
  5. Step 5: Solve for x
    x = 6,375,909,249,949,044/65,421,006.40
  6. Step 6: Final answer
    x = 97,459,663.20

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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.