Home / 72,001,458.02-99,362,275.43-38,961,707.40

Finding the Fourth Proportional to 72,001,458.02, 99,362,275.43 and 38,961,707.40

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Solution

The fourth proportional to 72,001,458.02, 99,362,275.43 and 38,961,707.40 is: 53,767,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001,458.02 : 99,362,275.43 = 38,961,707.40 : x
  2. Step 2: Convert to fraction form
    72,001,458.02/99,362,275.43 = 38,961,707.40/x
  3. Step 3: Cross multiply
    72,001,458.02x = 99,362,275.43 × 38,961,707.40
  4. Step 4: Simplify right side
    72,001,458.02x = 3,871,323,901,707,060.50
  5. Step 5: Solve for x
    x = 3,871,323,901,707,060.50/72,001,458.02
  6. Step 6: Final answer
    x = 53,767,298.72

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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.